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ClimateMaster 816 Replacement Omega Condo Heat Pump
The Omega 816 Series are a direct replacement for ClimateMaster 816 units. The chassis is a direct drop-in for the existing ClimateMaster unit, allowing for a fast, simple and easy installation. Available in various electrical configurations and 2 water connection configurations based on replacement requirements.
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The ClimateMaster 816 vertical-stack water-source heat pump was one of the most widely installed models in high-rise condominiums across the Greater Toronto Area. These systems provided dependable heating and cooling for years but are now approaching or beyond their service life.
Because the original 816 models use R-22 refrigerant and are no longer supported by the manufacturer, the best solution today is a direct-fit replacement chassis from modern OEM or aftermarket suppliers.
At 4Most Energy, we specialize in ClimateMaster 816 replacements for condos and commercial units in Downtown Toronto, North York, Mississauga, Vaughan, Markham, Scarborough, and Richmond Hill.
We install drop-in chassis replacements that match your existing cabinet and risers, providing a quick, quiet, and energy-efficient upgrade with no drywall or plumbing modifications.
Comparison Chart
| Omega Model | Replaces ClimateMaster Model | Nominal Size (Tons) |
|---|---|---|
| RPC-CM-816-030 | 816-10 | 3/4 |
| RPC-CM-816-040 | 816-15 | 1 |
| RPC-CM-816-060 | 816-20* | 1 ½ |
| RPC-CM-816-080 | 816-28 | 2 |
| RPC-CM-816-100 | 816-30 | 2 ½ |
| RPC-CM-816-120 | 816-36 | 3 |
* Original blower kit replacement may be required. Contact 4Most Energy in Toronto, Ontario, Canada.
Features
Features
- Optional Omega electrical package replaces existing controls with latest advanced microprocessor controller and all new electrical components.
- Optional Omega electrical package features entering & leaving water temperature sensors for water temperature monitoring, on-board LED and web page diagnostics with data logging.
- Ultra Quiet sound package comes standard.
- High and Low pressure safety switches and water coil freeze protection.
- Factory tested and charged with R-410A refrigerant.
- Optional auto shut-off control valve and auto-flow balancing valve.
- Available in 817 style Hose Connection.
- Optional Blower Kit options.
- Standard 1 year parts and 5 year compressor warranty.
Specification
Performance Data — Omega Series (Climatemaster 816 Replacement)
Supplied, Installed, and Supported by 4Most Energy
| Model | Capacity (Tons) | Airflow (CFM) | Cooling (BTUH) | EER | Heating (BTUH) | COP | Water Flow (GPM) | Pressure Drop (PSI) |
|---|---|---|---|---|---|---|---|---|
| RPC-CM-816-030 | ¾ Ton | 310 | 9,900 | 12.6 | 14,100 | 4.4 | 2.5 | 4.3 |
| RPC-CM-816-040 | 1 Ton | 475 | 13,000 | 13.3 | 16,600 | 4.4 | 3.0 | 4.5 |
| RPC-CM-816-060 | 1½ Ton | 600 | 17,600 | 12.1 | 22,600 | 4.2 | 4.5 | 5.1 |
| RPC-CM-816-080 | 2 Ton | 800 | 24,000 | 13.6 | 30,400 | 4.5 | 6.0 | 6.5 |
| RPC-CM-816-100 | 2½ Ton | 1,000 | 30,000 | 13.0 | 36,500 | 4.3 | 7.5 | 5.6 |
| RPC-CM-816-120 | 3 Ton | 1,200 | 35,500 | 13.0 | 41,000 | 4.3 | 9.0 | 4.8 |
*Performance based on 86°F EWT Cooling, 68°F EWT Heating, rated CFM. Includes fan power (0.365W/CFM).
Cooling at 80°F DB / 67°F WB entering air, heating at 68°F entering air.
✅ Installed by 4Most Energy
• 1-Year Manufacturer Parts Warranty
• 1-Year Full Labor Warranty (extendable)
• Direct-fit replacement for Climatemaster 816/817, McQuay CCH/CCW, and Whalen WSHP units
• Serving Condos across GTA & Ontario
Dimensional Data
Dimensional Data — Omega Series (Climatemaster 816 Replacement)
Supplied, Installed, and Supported by 4Most Energy
| Omega Model | A (in) | B (in) | C (in) | D (in) | E (in) | F (in) | 816 Outlet | 816 Inlet | Opt. 817 Outlet | Opt. 817 Inlet | Weight (lbs) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RPC-CM-816-030 | 15 ½ | 16 | 14 ½ | 24 ⅜ | 15 ⅝ | 36 ⅜ | ½ HA | ½ HA | ½ FPT | ½ FPT | 70 |
| RPC-CM-816-040 | 15 ½ | 16 | 14 ½ | 24 ⅜ | 15 ⅝ | 36 ⅜ | ½ HA | ½ HA | ½ FPT | ½ FPT | 75 |
| RPC-CM-816-060 | 18 ½ | 19 | 17 ½ | 22 ⅝ | 18 ⅝ | 41 ⅜ | ½ HA | ½ HA | ½ FPT | ½ FPT | 100 |
| RPC-CM-816-080 | 22 ½ | 22 ⅞ | 21 ½ | 22 | 22 ½ | 41 ⅜ | ½ HA | ½ HA | ½ FPT | ½ FPT | 125 |
| RPC-CM-816-100 | 22 ½ | 22 ⅞ | 21 ½ | 22 | 22 ½ | 41 ⅜ | ¾ HA | ¾ HA | ¾ FPT | ¾ FPT | 130 |
| RPC-CM-816-120 | 22 ½ | 22 ⅞ | 21 ½ | 22 | 22 ½ | 41 ⅜ | ¾ HA | ¾ HA | ¾ FPT | ¾ FPT | 135 |
* Original blower kit replacement may be required for the original 816-20 unit. Contact 4Most Energy for site verification.
Legend: HA = Hose Adapter, FPT = Female Pipe Thread.
Review
ClimateMaster 816 FAQs
How can I tell if my condo heat pump is a ClimateMaster 816 model?
Most Toronto condos built between the late 1990s and early 2010s were equipped with ClimateMaster 816 vertical stack heat pumps — especially in buildings across Downtown Toronto, North York, Mississauga, Vaughan, and Markham.
You can confirm your model by checking:
- Model label:
- Open the lower front access panel of your unit (usually behind the return air grille).
- Look for a silver or white manufacturer label showing the model number, serial number, and refrigerant type.
- If the model number starts with “816-” (e.g., 816-10, 816-15, 816-20), your unit is a ClimateMaster 816 series.
- Brand marking:
- Many older units show the ClimateMaster logo on the control box or compressor plate.
Some versions were rebranded under Carrier or McQuay, but the model number still starts with 816- if it’s from this series.
Can 4Most Energy replace my ClimateMaster 816 heat pump?
Absolutely. We specialize in direct-fit replacements for the 816 series across the GTA. Our licensed TSSA-certified technicians remove the old chassis and install a new high-efficiency R-410A unit — typically within a few hours and without disturbing your suite finishes.
Why should I replace my old ClimateMaster 816 unit?
Most 816 models use R-22 refrigerant, which is now phased out in Canada. Once the compressor fails, repair costs can exceed replacement value. A new R-410A system improves efficiency by 30-40 %, operates more quietly, and ensures future serviceability.
Which brands make direct replacements for the ClimateMaster 816?
- Omega RPC-CM-816 Series (OEM-fit replacement).
- Adirondack-Aire zerOzone 816 Series (Cold Point Corporation)
Both are manufactured to match the form, fit, and function of the original 816 model.
How do I know which size I need for my condo?
Check the model tag on your existing ClimateMaster unit (e.g., 816-10, 816-15, 816-20).
Use this guide:
Omega Model | Replaces ClimateMaster Model | Nominal Size (Tons) |
RPC-CM-816-030 | 816-10 | ¾ ton |
RPC-CM-816-040 | 816-15 | 1 ton |
RPC-CM-816-060 | 816-20* | 1 ½ tons |
RPC-CM-816-080 | 816-28 | 2 tons |
RPC-CM-816-100 | 816-30 | 2 ½ tons |
RPC-CM-816-120 | 816-36 | 3 tons |
* Original blower kit replacement may be required. |
How can I get a quote or confirm compatibility?
Call or WhatsApp 4Most Energy to speak directly with a Condo Heat Pump Expert, or upload a picture of your current Whalen unit through our online form.
We’ll identify your version, recommend the right Omega or Adirondack-Aire replacement, and provide a same-day quote with installation and a 1-year labour warranty.
